[Amibe] Vertex: comment and assert changes
[Amibe] Add VertexSwapper.canSwap
[Amibe] Add VertexSwapper.swapOrigin
[Amibe] Fix a NullPointerException
[Amibe] Add HashFactory.ensureCapacity
[Amibe] TriangleKdTree: do not fail if no voxel are found
[Amibe] TriangleKdTree.remove/replace now return a boolean
[Amibe] stitch: move unit test to JUnit